I recently bought one for use on the .22's. My Walther P-22 seems to brass up more than any other of my .22's if I don't use CCI Mini Mags. Anyway, it's a nice product and I've bought more of them for the rest of the calibers that I have since it cuts my clean time down. Walmart is carrying them now and it's significantly cheaper than going to like Cabellas, etc.